巴哈: 十二平均律,C大調第一號前奏曲,作品BWV 846 (大提琴版)

Recording identifiers

ISRC

TWAA72201110

CopyrightID (CopyrightChains transaction hash)

0x0cb566a4775d85caaf74fd8c9f6f3dc5b5c4df8894da87561fa8cced90d596b7

Copyright registration time

2026-06-23T20:13:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:3bf8984cc3fc0b8a4a1b03b386702e2e1fa14ef9381b1ce4ab6feadd4e6e95f2

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.